Finding the Fourth Proportional to 120,921,221.76, 181,363,135.68 and 44,226,314.88
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Solution
The fourth proportional to 120,921,221.76, 181,363,135.68 and 44,226,314.88 is: 66,332,634.00
Step by Step Solution
- Step 1: Write the proportion equation
120,921,221.76 : 181,363,135.68 = 44,226,314.88 : x - Step 2: Convert to fraction form
120,921,221.76/181,363,135.68 = 44,226,314.88/x - Step 3: Cross multiply
120,921,221.76x = 181,363,135.68 × 44,226,314.88 - Step 4: Simplify right side
120,921,221.76x = 8,021,023,146,207,844 - Step 5: Solve for x
x = 8,021,023,146,207,844/120,921,221.76 - Step 6: Final answer
x = 66,332,634.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.